app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI

# Below is an example of a custom weather tool
@tool
def get_weather_info(city: str) -> str:
    """Fetches current weather information for a specified city using the Open-Meteo API (no API key required).
    Args:
        city: The name of the city to get weather information for (e.g., 'London', 'New York', 'Tokyo').
    """
    try:
        # First, get coordinates for the city using the geocoding API
        geocoding_url = f"https://geocoding-api.open-meteo.com/v1/search?name={city}&count=1&language=en&format=json"
        geo_response = requests.get(geocoding_url)
        geo_data = geo_response.json()

        if 'results' not in geo_data or len(geo_data['results']) == 0:
            return f"Error: Could not find coordinates for city '{city}'. Please check the city name."

        # Extract latitude and longitude
        latitude = geo_data['results'][0]['latitude']
        longitude = geo_data['results'][0]['longitude']
        city_name = geo_data['results'][0]['name']
        country = geo_data['results'][0].get('country', 'Unknown')

        # Get weather data
        weather_url = f"https://api.open-meteo.com/v1/forecast?latitude={latitude}&longitude={longitude}&current_weather=true&temperature_unit=celsius"
        weather_response = requests.get(weather_url)
        weather_data = weather_response.json()

        if 'current_weather' not in weather_data:
            return f"Error: Could not fetch weather data for {city_name}."

        current = weather_data['current_weather']
        temperature = current['temperature']
        windspeed = current['windspeed']
        weather_code = current['weathercode']

        # Map weather codes to descriptions
        weather_descriptions = {
            0: "Clear sky", 1: "Mainly clear", 2: "Partly cloudy", 3: "Overcast",
            45: "Foggy", 48: "Depositing rime fog", 51: "Light drizzle", 53: "Moderate drizzle",
            55: "Dense drizzle", 61: "Slight rain", 63: "Moderate rain", 65: "Heavy rain",
            71: "Slight snow", 73: "Moderate snow", 75: "Heavy snow", 80: "Slight rain showers",
            81: "Moderate rain showers", 82: "Violent rain showers", 95: "Thunderstorm",
            96: "Thunderstorm with slight hail", 99: "Thunderstorm with heavy hail"
        }

        weather_desc = weather_descriptions.get(weather_code, "Unknown weather")

        return f"Weather in {city_name}, {country}:\n- Temperature: {temperature}°C\n- Conditions: {weather_desc}\n- Wind Speed: {windspeed} km/h"

    except Exception as e:
        return f"Error fetching weather for '{city}': {str(e)}"

@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """A tool that fetches the current local time in a specified timezone.
    Args:
        timezone: A string representing a valid timezone (e.g., 'America/New_York').
    """
    try:
        # Create timezone object
        tz = pytz.timezone(timezone)
        # Get current time in that timezone
        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
        return f"The current local time in {timezone} is: {local_time}"
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"


final_answer = FinalAnswerTool()

# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 

model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
custom_role_conversions=None,
)


# Import tool from Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[get_weather_info, get_current_time_in_timezone, final_answer], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()